The role of the select tag: Create a drop-down list box that allows the user to select one from multiple options. As a form control, collect user input and submit it as form data.
The role of the select tag in HTML
The select tag is used in HTML to create a drop-down selection list box, allowing User selects one from multiple options. By allowing the user to select a specific value, the select tag provides an interactive method through which the user can provide input to the web page.
Specifically, the functions of the select tag include:
- Provide a drop-down list: Create a list box containing multiple options.
- Allow user selection: Enables the user to select an option from a list box.
- Collect user input: Get the value of the option selected by the user and send it to the server or processing script.
- Creating form controls: As a control in a form, the select tag allows users to submit selected options as part of the form data.
select Tag structure:
<select> <option value="選項(xiàng)1">選項(xiàng)1</option> <option value="選項(xiàng)2">選項(xiàng)2</option> ... </select>
- Define drop-down selection list box.
- Define each option in the list box.
- value attribute: Specify the value of each option.
Using the select tag:
To use the select tag, you need to add it to the HTML code and give it a name and option value. For example:
<form>
<label for="pets">選擇你的寵物：</label>
<select name="pets">
<option value="cat">貓</option>
<option value="dog">狗</option>
<option value="fish">魚</option>
</select>
<input type="submit" value="提交">
</form>When the user selects an option and submits the form, the value of the selected option is sent to the server via the "pets" name.
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